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Ancient bones suggest cavemen wore boots

Footwear , it seems, has been fashionable for rather a long time. Toe bones from a cave in China suggest people were wearing shoes at least 40,000 years ago.

Erik Trinkaus and Hong Shang, from Washington University in St Louis, Missouri, measured the shape and density of toe bones from a 40,000-year-old skeleton found in Tianyuan cave near Beijing. They compared these bones with those from 20th century urban Americans, late-prehistoric Inuits and other late-prehistoric Native Americans.

Shoes alter the way a person walks. With a rigid sole the toes curl far less than when barefoot and less force …